/*
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright © 2024 Keith Packard
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the following
 *    disclaimer in the documentation and/or other materials provided
 *    with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#define _DEFAULT_SOURCE
#include <unistd.h>
#include <errno.h>
#include <limits.h>

long
pathconf (const char *path, int name)
{
    (void) path;
    switch (name) {
    case _PC_LINK_MAX:
        return _POSIX_LINK_MAX;

    case _PC_MAX_CANON:
        return _POSIX_MAX_CANON;

    case _PC_MAX_INPUT:
        return _POSIX_MAX_INPUT;

    case _PC_NAME_MAX:
        return _POSIX_NAME_MAX;

    case _PC_PATH_MAX:
        return _POSIX_PATH_MAX;

    case _PC_PIPE_BUF:
        return _POSIX_PIPE_BUF;

    case _PC_CHOWN_RESTRICTED:
#ifdef _POSIX_CHOWN_RESTRICTED
        return _POSIX_CHOWN_RESTRICTED;
#else
        return 0;
#endif

    case _PC_NO_TRUNC:
#ifdef _POSIX_NO_TRUNC
        return _POSIX_NO_TRUNC;
#else
        return 0;
#endif

    case _PC_VDISABLE:
        return 0;

    default:
        errno = EINVAL;
        return -1;
    }
}
